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About product and suppliers:
        Alibaba.com offers 190 cast iron wye products. 

There are 110 cast iron wye suppliers, mainly located in Asia. The top supplying countries or regions are China, Philippines, and United States, which supply 95%, 2%, and 1% of cast iron wye respectively. 

Cast iron wye products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 57 with ISO9001, 7 with Other, and 1 with OHSAS18001 certification.